Erythema Multiforme Flashcards
1
Q
What is erythema multiforme?
A
A hypersenstivity reaction most commonly triggered by infections.
(Previously thought Stevens-Johnson syndrome was a form of this)
2
Q
What are the features of erythema multiforme?
A
Target lesions
Initially on the back of hands and feet, spreading to torso.
Upper limbs > Lower limbs
Pruritis may be a feature
3
Q
What are the causes of erythema multiforme?
A
Viruses: HSV (most common), Orf Idiopathic Bacteria: Mycoplasma, Streptococcus Drugs: Penicillin, Carbamazepine, Allopurinol, NSAIDS, COCP SLE Sarcoidosis Malignancy
4
Q
What is erythema multiforme major associated with?
A
Mucosal involvement
